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Australia's Su Oh and Minjee Lee remained in contention after another tough day in the LPGA season's second major, the KPMG Women's PGA Championship near Seattle today, but they have the task of hunting down the world No. 1 Lydia Ko tomorrow.
Victorian Ko is just three from the lead and Western Australia's Lee four back after the third round at Sahalee Country Club.
Oh is tied-10th at one-over after carding a 72 today while Lee is tied-15th. In a packed field after a 72.
Both 20-year-olds are members of Golf Australia's rookie squad of young professionals, and have previously been part of the Karrie Webb Scholarship.
New Zealand's Ko surged to the lead on day three with a one-under 70 , and she has been relentlessly steady.
Thailand's Ariya Jutanugarn, winner of three consecutive LPGA tournaments, also moved up to striking distance today. Only three players in the field are under par leading into tomorrow's final round.
Karrie Webb, who is struggling to hold her place for the Olympic golf team, is tied 47th.